Maybe scary isn't the right word, but I definitely felt frightened after beating it.
I finished it tonight for the second time, and the endings I've gotten so far were:
Both were completely unexpected, and only make me want to play the game again.
I'm wondering how the others who have played this game felt about it.
By the way, please put any plot info in spoiler tags, if you're going to post. I still have a lot of information I want to find out about on my own, so please don't spoil it for me.